adtime=5;
chancead=1;
var ns=(document.layers);
var ie=(document.all);
var w3=(document.getelementbyid && !ie);
adcount=0;
function initad(){
if(!ns && !ie && !w3) return;
if(ie) addiv=eval('document.all.sponsoraddiv.style');
else if(ns) addiv=eval('document.layers["sponsoraddiv"]');
else if(w3) addiv=eval('document.getelementbyid("sponsoraddiv").style');
randad=math.ceil(math.random()*chancead);
if (ie||w3)
addiv.visibility="visible";
else
addiv.visibility ="show";
if(randad==1) showad();
}
function showad(){
if(adcount
|
[ctrl+a 全选 注:如需引入外部js需刷新才能执行]